When scaffold work, the adjustable shelf and the bracket fixing use to attach the wall bolt and the wall anchor, two between not relative motions.
当脚手架工作时，活动架和固定架均用附墙螺栓与墙体锚固，两架之间无相对运动。
2
Compared with common anchor centering bracket, the anchor rod with centering rings is more convenient and rapid in construction, has low cost and good effect.
本实用新型比目前常用的锚杆对中支架的施工更方便快捷，成本低、效果好。
3
The anchor pile support apparatus for pneumatic caisson includes bearing block, jack, steel bracket, anchor pile and expanded pile head.